出典:Wikipedia
出典:『Wikipedia』 (2011/07/17 04:20 UTC 版)
Delta Upsilon (ΔΥ) is the sixth oldest international, all-male, college Greek-letter social fraternity and is the oldest non-secret fraternity in North America. Founded on November 4, 1834, at Williams College in Williamstown, Massachusetts, Delta Upsilon has initiated over 110,000 men into its brotherhood since its founding.